Home / 28,748.92-43,106.08-10,980.76

Finding the Fourth Proportional to 28,748.92, 43,106.08 and 10,980.76

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Solution

The fourth proportional to 28,748.92, 43,106.08 and 10,980.76 is: 16,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.92 : 43,106.08 = 10,980.76 : x
  2. Step 2: Convert to fraction form
    28,748.92/43,106.08 = 10,980.76/x
  3. Step 3: Cross multiply
    28,748.92x = 43,106.08 × 10,980.76
  4. Step 4: Simplify right side
    28,748.92x = 473,337,519.02
  5. Step 5: Solve for x
    x = 473,337,519.02/28,748.92
  6. Step 6: Final answer
    x = 16,464.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.